El Paso County Sheriff's Office investigators were at the Socorro Administration Building on Horizon Boulevard Thursday morning to serve a grand jury subpoena and not a search warrant as Sheriff's officials initially said.

The Sheriff's Office did not revealed any other information.

David Garcia, a Socorro spokesman, confirmed the presence of the investigators at the city building and said city employees cooperated with them.

Socorro City Manager Willie Norfleet Jr. was not in the building at the time of the search and Mayor Trini Lopez arrived at the building after investigators left.

The court order comes after city employees and elected officials have come under scrutiny lately.

In July, the Sheriff's office raided the Socorro offices as a result of an investigation that focuses on reimbursements that three council members and a police sergeant allegedly sought from the city.

Then in September, the city's public works director was arrested by sheriff's investigators on criminal theft charges and most recently, Sheriff's deputies arrested a Socorro police officer for violating a protective order.